Date
July 5, 2025, 11:09 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.641911] ================================================================== [ 18.643053] BUG: KASAN: invalid-free in kfree+0x270/0x3c8 [ 18.643421] Free of addr fff00000c784c001 by task kunit_try_catch/151 [ 18.643542] [ 18.643694] CPU: 0 UID: 0 PID: 151 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 18.644458] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.644536] Hardware name: linux,dummy-virt (DT) [ 18.644693] Call trace: [ 18.644743] show_stack+0x20/0x38 (C) [ 18.644870] dump_stack_lvl+0x8c/0xd0 [ 18.645399] print_report+0x118/0x608 [ 18.645581] kasan_report_invalid_free+0xc0/0xe8 [ 18.646085] __kasan_kfree_large+0x5c/0xa8 [ 18.646229] free_large_kmalloc+0x64/0x190 [ 18.646396] kfree+0x270/0x3c8 [ 18.646504] kmalloc_large_invalid_free+0x108/0x270 [ 18.646603] kunit_try_run_case+0x170/0x3f0 [ 18.646688] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.646787] kthread+0x328/0x630 [ 18.646871] ret_from_fork+0x10/0x20 [ 18.646975] [ 18.647599] The buggy address belongs to the physical page: [ 18.647711] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10784c [ 18.648075] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 18.648416] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 18.648630] page_type: f8(unknown) [ 18.648723] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 18.648835] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 18.649305] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 18.649503] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 18.649716] head: 0bfffe0000000002 ffffc1ffc31e1301 00000000ffffffff 00000000ffffffff [ 18.649843] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 18.649925] page dumped because: kasan: bad access detected [ 18.649995] [ 18.650448] Memory state around the buggy address: [ 18.650702] fff00000c784bf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.650815] fff00000c784bf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.650907] >fff00000c784c000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.650994] ^ [ 18.651058] fff00000c784c080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.651602] fff00000c784c100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.651827] ==================================================================
[ 13.042970] ================================================================== [ 13.044067] BUG: KASAN: invalid-free in kfree+0x274/0x3f0 [ 13.044568] Free of addr ffff8881026ec001 by task kunit_try_catch/167 [ 13.045063] [ 13.045313] CPU: 1 UID: 0 PID: 167 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 13.045383] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.045398] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.045424] Call Trace: [ 13.045441] <TASK> [ 13.045462] dump_stack_lvl+0x73/0xb0 [ 13.045499] print_report+0xd1/0x650 [ 13.045525] ? __virt_addr_valid+0x1db/0x2d0 [ 13.045554] ? kasan_addr_to_slab+0x11/0xa0 [ 13.045577] ? kfree+0x274/0x3f0 [ 13.045603] kasan_report_invalid_free+0x10a/0x130 [ 13.045631] ? kfree+0x274/0x3f0 [ 13.045672] ? kfree+0x274/0x3f0 [ 13.045696] __kasan_kfree_large+0x86/0xd0 [ 13.045721] free_large_kmalloc+0x4b/0x110 [ 13.045748] kfree+0x274/0x3f0 [ 13.045845] kmalloc_large_invalid_free+0x120/0x2b0 [ 13.045875] ? __pfx_kmalloc_large_invalid_free+0x10/0x10 [ 13.045902] ? __schedule+0x10cc/0x2b60 [ 13.045928] ? __pfx_read_tsc+0x10/0x10 [ 13.045953] ? ktime_get_ts64+0x86/0x230 [ 13.045982] kunit_try_run_case+0x1a5/0x480 [ 13.046026] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.046052] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.046079] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.046105] ? __kthread_parkme+0x82/0x180 [ 13.046130] ? preempt_count_sub+0x50/0x80 [ 13.046158] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.046186] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.046211] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.046237] kthread+0x337/0x6f0 [ 13.046260] ? trace_preempt_on+0x20/0xc0 [ 13.046288] ? __pfx_kthread+0x10/0x10 [ 13.046312] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.046337] ? calculate_sigpending+0x7b/0xa0 [ 13.046365] ? __pfx_kthread+0x10/0x10 [ 13.046390] ret_from_fork+0x116/0x1d0 [ 13.046411] ? __pfx_kthread+0x10/0x10 [ 13.046440] ret_from_fork_asm+0x1a/0x30 [ 13.046477] </TASK> [ 13.046490] [ 13.062629] The buggy address belongs to the physical page: [ 13.063371] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1026ec [ 13.064335] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 13.065234] flags: 0x200000000000040(head|node=0|zone=2) [ 13.065792] page_type: f8(unknown) [ 13.066053] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 13.066759] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 13.067629] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 13.068300] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 13.069231] head: 0200000000000002 ffffea000409bb01 00000000ffffffff 00000000ffffffff [ 13.069731] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 13.070444] page dumped because: kasan: bad access detected [ 13.071095] [ 13.071187] Memory state around the buggy address: [ 13.071379] ffff8881026ebf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.071638] ffff8881026ebf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.072010] >ffff8881026ec000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.072688] ^ [ 13.073074] ffff8881026ec080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.073340] ffff8881026ec100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.073632] ==================================================================